How to Stop Mass Shootings
Whatever the witch's brew of influences that produced this grisly script, treating mass killings as a kind of epidemic or contagion largely frees us from having to understand the particular causes of each act. Instead, we can focus on disrupting the spread.
There is a precedent for this approach in dealing with another form of violence: suicides. A 2003 study led by Columbia University psychiatrist Madelyn Gould found "ample evidence" of a suicide contagion effect, fed by reports in the media. A 2011 study in the journal BMC Public Health found, unsurprisingly, that this effect is especially strong for novel forms of suicide that receive outsize attention in the press.
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